| 17. Ronde | 02.04.2021 | Slagelse B&I [B-jun] | - | FC Roskilde [B-jun] | 0:3 |  |
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| 6. Ronde | 05.04.2021 | Viborg FF [B-jun] | - | FC Roskilde [B-jun] | 0:1 | ||||
| 20. Ronde | 10.04.2021 | FC Roskilde [B-jun] | - | SfB-Oure FA [B-jun] | 3:3 | |
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| 21. Ronde | 17.04.2021 | FC Roskilde [B-jun] | - | Viborg FF [B-jun] | 0:2 | ||||
| 23. Ronde | 02.05.2021 | FC Roskilde [B-jun] | - | Hvidovre IF [B-jun] | 3:3 | ||||
| 24. Ronde | 08.05.2021 | Næsby BK [B-jun] | - | FC Roskilde [B-jun] | 2:3 | |
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| 18. Ronde | 13.05.2021 | FC Roskilde [B-jun] | - | Hobro IK [B-jun] | 6:0 | ||||
| 25. Ronde | 16.05.2021 | FC Roskilde [B-jun] | - | HB Køge [B-jun] | 5:2 | |
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| 26. Ronde | 22.05.2021 | Næstved BK [B-jun] | - | FC Roskilde [B-jun] | 0:8 | |
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| 27. Ronde | 29.05.2021 | FC Roskilde [B-jun] | - | Hellerup IK [B-jun] | 3:1 | |
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| 28. Ronde | 05.06.2021 | Kolding IF [B-jun] | - | FC Roskilde [B-jun] | 4:4 | ||||
| 29. Ronde | 12.06.2021 | FC Roskilde [B-jun] | - | AB Gladsaxe [B-jun] | 3:0 | ||||
| 30. Ronde | 19.06.2021 | B.93 København [B-jun] | - | FC Roskilde [B-jun] | 4:2 | ||||
| 16. Ronde | 26.06.2021 | FC Roskilde [B-jun] | - | Nykøbing FC [B-jun] | 9:2 |
Denemarken